---
- name: Add SSH Keys on Hosts
  hosts: all
  vars_files:
   - vars/public-keys.env
  tasks:
     - name: Get SSH Keys
       ansible.builtin.shell: cat /root/.ssh/authorized_keys
       register: key_output

     - name: Add SSH Keys
       with_items: 
        - "{{ ssh_keys }}"        
       ansible.builtin.shell: | 
          cat <<EOF >> /root/.ssh/authorized_keys
          ### Managed with Ansible {{ ansible_date_time.day }}-{{ ansible_date_time.month }}-{{ ansible_date_time.year }} ###
          {{ item }}
          EOF
       when: key_output.stdout.find('{{ item }}') == -1